Title: Application of Impeller Cutting Technology to Magnetic Centrifugal Pump
Abstract: Improper centrifugal pump type or variable processes will possibly result in its high lift.If pump has too high lift and too small outlet valve opening,throttling loss will be large and output volume will be limited,which will result in unsteady working conditions and difficult adjustment.In order to make centrifugal pump meet field process requirements,impeller cutting technology may be used to adjust its performance parameters and improve its adaptability.Analyzed are impeller cutting indexes of centrifugal pump with low specific speed,calculated are its impeller cutting parameters by using the method of cutting indexes fitted with specific speed curves and calculation results are basically consistent with actual situation.Proper decrease of impeller outer diameter,reduction of pump flow,lift and power with invariable rotate speed,increase of specific speed and improvement of performance parameters can effectively avoid damage on bearings and steel magnet in magnetic centrifugal pump and assure its safe operation.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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